Debayer 16 bit with the MHC algo using CUDA

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Hi,

With OpenCV 3.1.0 I'm trying to use the cv::cuda::demosaicing function:

cv::cuda::demosaicing(bayered, debayered, cv::cuda::COLOR_BayerGB2BGR_MHT);

The documentation states that:

src Source image (8-bit or 16-bit single channel).

However, at runtime with a 16-bit image I get the errror:

OpenCV Error: Assertion failed (depth == CV_8U) in cv::cuda::demosaicing, file C:\opencv\opencv310\sources\modules\cudaimgproc\src\color.cpp, line 2132

Question: is this a bug or a fault in the documentation?